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tune; tone; key; pitch; time; rhythm
vein; mood; way; manner; style; knack
condition; state of health; shape
impetus; spur of the moment; strain
trend
今日は体の調子がとてもいい。
I feel well today.
今日はギターの調子がいいね。
The guitar sounds good today.
演奏する前にピアノの調子を合わせる。
I tune the piano.